Power-stitcher for retreading automobile-tires.



R. H. S'KES.

PUWER STHCHER FDR. RETHEADING AUTUMOBILE TIRES.

APPLICATI'ON FILED APR. l5. :am

1,283,337. Patented oct. 29, i918.

Fig. 1

UNITED STATES PATENT OFFICE.

RUSSELL SIKES, 0F LOS ANGELES, CALIFORNIA.

POWER-STITCHER FOR RETREADING AUTOMOBILE-TIRES.

Specification of Letters Patent.

Patented Oct. 29, 1918.

Application led April 15, 1918. Serial No. 228,811.

shown. described und claimed.

Figure 1 is n perspeetiyje.showing a` power stiteher embodying the principles of my inrention `iu use.

` Fig. 2 is an enlarged detail ofthe rotating head. purts being broken away und parts being shown in sections.

Fig. 3 is u Cross section on the line 3 3 (if Fig. Q.

A shnt'l'` 1 is mounted in n stand 2 like un einem' grinder; n drive belt' 3 runs over n pulley l on the sli-.ift 1; heads .1 and G are rigidlyl keyed upon the slmtt 1: :ind spindles "fluire redueed ends t4 mounted in the heads I und M .said piudlehein;r nrrnnged in n lfoiweutrie row :il-ouml the sli-.itt 1.

Stitehing' whwh t :ire loo el mounted upon the spindle .s between the head nud ti sziitl stip-hin; heels having the usual stitehiun' let-th lll upon their peripherios; und uu1\ ll :unl l2 :lrtyserewed upon tho 4-hnlft l ninst the hends 5 :tud (i, the ends lf-ttu- -h;il'1 outside ot the nuts being refluiell to the Illi-.pth of the screw threads.

ll'hen the new ruhln-r il hns been :ipplied 1o lheezbiun' ll. the machine is started to run at a high rate of speed, preferably about five hundred revolutions per minute and the easing is manipulated to bring the new rubber in Contact with the stitching teeth so :is to securely stitch the new rubber to the old casing.

In order that the casing muy be stili` for manipulation n form 15 is placed inside of the curity of the easing and provided with a handle 16 which projects from the inner side of the easing. This forni 15 muy be mede of wood, plaster of paris und the like.

'The operator moves the forni 15 by the handle 1G in the easing, :1s he presents n new surface of the trend to the notion of the Stiteher.

Various changes may be made Without departing from the spirit of my invention as claimed.

I claim:

1. A power stitoher for use in retreading automobile tires comprising a stanfhe shaft rotntnbly mounted horizontally upon the stond, n pulley for driving the shaft, heads fixed upon the shaft, spindles fixed between the bends in n row around the shaft, and n. plurality ol toothed wheels loosely mounted upon the Ispindles.

1n n retrending stiteher, a shaft; heads llxed upon the shsift; spindles fixed between the heads in '.1 row around the sha-ft, and a, plurality ol' toothed wheels loosely mounted upon the. spindles.

lu testimony whereof I have signed my nume to this specification.

RUSSELL H. SIKES.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Wuhington, D. C." 

